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/**
 ******************************************************************************
 * @file    gpio.c
 * @brief   This file provides code for the configuration
 *          of all used GPIO pins.
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2025 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
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/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

#include "shell.h"

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/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
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/** Configure pins
     PH0-OSC_IN (PH0)   ------> RCC_OSC_IN
     PH1-OSC_OUT (PH1)   ------> RCC_OSC_OUT
     PA13 (JTMS/SWDIO)   ------> DEBUG_JTMS-SWDIO
     PA14 (JTCK/SWCLK)   ------> DEBUG_JTCK-SWCLK
*/
void MX_GPIO_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};

    /* GPIO Ports Clock Enable */
    __HAL_RCC_GPIOH_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOE_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();

    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOB, LCD_DC_Pin|LCD_RST_Pin|LCD_BLK_Pin|LCD_CS_Pin, GPIO_PIN_RESET);

    /*Configure GPIO pins : PBPin PBPin PBPin PBPin */
    GPIO_InitStruct.Pin = LCD_DC_Pin|LCD_RST_Pin|LCD_BLK_Pin|LCD_CS_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* config debug pins */
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOC, GPIO_PIN_4 | GPIO_PIN_5, GPIO_PIN_RESET);

    /*Configure GPIO pins : PBPin PBPin PBPin PBPin */
    GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
}

uint16_t func_io_toggle(uint16_t index)
{
    uint16_t pin = 1 << index;
    if (4 != index && 5 != index) {
        pin = 1 << 4;
    }

    /* this is so fast, high to low is 7ns */
    // GPIOC->BSRR = (uint32_t) pin;//set high
    // GPIOC->BRR  = (uint32_t) pin;//set low

    HAL_GPIO_TogglePin(GPIOC, pin);
    HAL_GPIO_TogglePin(GPIOC, pin);

    return index;
}
SHELL_EXPORT_CMD(SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), toggle, func_io_toggle, io toggle pin 4/5);

void func_sys_reset(void)
{
    NVIC_SystemReset();
}
SHELL_EXPORT_CMD(SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), reset, func_sys_reset, system reset);

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